Home / 7,622.61-11,439.38-3,243.14

Finding the Fourth Proportional to 7,622.61, 11,439.38 and 3,243.14

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Solution

The fourth proportional to 7,622.61, 11,439.38 and 3,243.14 is: 4,867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.61 : 11,439.38 = 3,243.14 : x
  2. Step 2: Convert to fraction form
    7,622.61/11,439.38 = 3,243.14/x
  3. Step 3: Cross multiply
    7,622.61x = 11,439.38 × 3,243.14
  4. Step 4: Simplify right side
    7,622.61x = 37,099,486.42
  5. Step 5: Solve for x
    x = 37,099,486.42/7,622.61
  6. Step 6: Final answer
    x = 4,867.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.